Melhado EM, Brugugnolli ID, Salis GVV de, Buck C, Goulart LA, Sucena TA, Vaz JV, Benelli PM, Pereira MEM, Ferreira RPS. Protocol of Treatment of Headache in the Emergency in a University hospital. Headache Med [Internet]. 2017 Jun. 30 [cited 2024 May 3];8(2):43-7. Available from: https://headachemedicine.com.br/index.php/hm/article/view/248